Patent Yard Sign in
Expired, full termArchiveSolo inventor

Level adjusting mechanism for the cross-rail of a planar type machine tool

US 3,129,641 A · Inventors: WALTER JOHN M

USPTO PDF

Overview

The published document from the USPTO: abstract, claims, description and drawings. Open it full size

Read the whole patent

Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted April 21, 1964. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 21, 1981.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJune 6, 1960
GrantedApril 21, 1964
Term endedApril 21, 1981
Application number—
Classification (CPC)B23B47/00 +2 more
Length5 pages

Timeline

Timeline From USPTO dates

1961196419671970197319761979Application filedJune 6, 1960Patent grantedApril 21, 1964Term endedApril 21, 1981

Sources & verification